Page 575 - MODUL SPEKTRUM FIZIK SPM
P. 575

✔1 : Labels on both axes correct
                               ✔2 : Units on both axes correct
                               ✔3 : Uniform scale on both axes
                               ✔4 : 3-4 points plotted correctly
                               ✔5 : All 5 points plotted correctly
                               ✔6 : Best fit line is drawn
                               ✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)
                                         (Counted from origin until the furthest point)

                               5 marks - 7✔
                               4 marks - 5✔ - 6✔
                               3 marks - 3✔ - 4✔
                               2 marks - 2✔
                               1 mark   - 1✔

                    (e)        Relationship between Dq  and t
                               Dq  is directly proportional to t
                                                                                             1
                               (Accept “increases linearly” based on student’s
                               graph)

               (SET 7)

                     Question                   Answer Scheme                         Marks Allocated
                      (a)(i)   MV: Object distance// u                                       1
                    (a)(ii)    RV: Image distance// v                                        1
                    (a)(iii)   CV: Power of convex lens                                      1
                    (b)(i)     Readings of v
                               Diagram 1.2: 13.3 cm
                               Diagram 1.3: 8.6 cm
                               Diagram 1.4: 7.1 cm
                               Diagram 1.5: 6.7 cm
                               Diagram 1.6: 6.4 cm                                           2
                               Diagram 1.7: 6.1 cm

                               ✔1 : 4 readings correct
                               ✔2 : All readings correct
                                                            
                                                      
                    (b)(ii)    Tabulation for u, v,   and
                                                            
                                  u (cm)    v (cm)     $   (cm )   $  (cm )
                                                             -1
                                                                        -1
                                                       %           &
                                   8.0       13.3       0.125       0.075
                                   12.0       8.6       0.083       0.116
                                   16.0       7.1       0.063       0.141
                                   20.0       6.7       0.050       0.149                    5
                                   24.0       6.4       0.042       0.156
                                   28.0       6.1       0.036       0.164

                                                           
                                                                 
                               ✔1 : All headings for u, v,   and   correct
                                                                 
                                                       
                                                            
                               ✔2 : All units for u, v,   and   correct
                                                            
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